Department of Orthopaedic Surgery;
West China Hospital;
Sichuan University;
Chengdu 610041;
China;
Tissue Engineering;
VA Boston Healthcare System;
Boston Campus;
Boston;
MA;
USA;
Whitaker Cardiovascular Institute;
Boston University School of Medicine;
Boston;
MA;
USA;
Harvard Medical School;
Boston;
MA;
USA;
Collagen; scaffold; collagen; sponge; infarct; implantation; BrdU; retention; appearance; chondroitin;